COMPARISON OF EFFICACY AND SAFETY OF SUBTENON'S ANAESTHESIA WITH AND WITHOUT HYALURONIDASE IN BILATERAL CATARACT PATIENTS

Abstract :

Background: The effect of subtenons block with the usage of hyaluronidase in terms of analgesia and akinesia was studied in different sets of people and the results were not satisfactory in all of them .This study eliminates bias and mitigates the confounding factors such as age, sex, pain threshold of a person , anatomical variations when done on different individuals.Aims:To evaluate the efficacy of subtenons anaesthesia with hyaluronidase in group A patients and without hyaluronidase in group B undergoing cataract surgery in terms ofGlobe akinesiaLid akinesiaAnalgesiaOnset and duration of anaesthesia intra operativelyTo document complications related to subtenons anaesthesia .Settings and Design: Teritiary center Methods and Material:39 patients (78 eyes) who fulfil inclusion criteria were selected and subtenons anaesthesia with hyaluronidase during the first eye cataract surgery followed by other eye subtenons anaesthesia without hyaluronidase was adopted. In both groups Analgesia was graded between 0-4 grades and globe akinesia was graded between 0-3 grades and lid movements was graded between 0-2 gradesStatistical analysis used: Non randomised studyResults:Analgesia (P = 0.008), globe akinesia (P = 0.002)at 15 mins ,lid akinesia(P=0.027) at 10 mins were good in Group A and it was statistically significant. The rate of onset of akinesia , patient and surgeon satisfaction were better in case of Group A . Complications were equal in both the groups showing no role of hyaluronidase in the complications and relating them to subtenons .Conclusions:Hyaluronidase has shown better onset of akinesia, good intraoperative analgesia , good globe and lid akinesia.

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